CN207546883U - A kind of precise injection valve - Google Patents
A kind of precise injection valve Download PDFInfo
- Publication number
- CN207546883U CN207546883U CN201721217574.XU CN201721217574U CN207546883U CN 207546883 U CN207546883 U CN 207546883U CN 201721217574 U CN201721217574 U CN 201721217574U CN 207546883 U CN207546883 U CN 207546883U
- Authority
- CN
- China
- Prior art keywords
- housing
- striker
- screw
- clamp ring
- injection valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of precise injection valves,Including housing and clamp ring,The top of the housing is equipped with adjusting nut,And the adjusting nut is fixedly connected with housing by the fillet of screw,The outside of the fillet of screw is equipped with calibration loop,And the calibration loop is screwed on the fillet of screw by screw thread,The surface of the housing offers gas outlet,The side of the housing is equipped with inlet valve,And the inlet valve is clamped with housing by support,And the support and case weld,Adjusting nut is screwed on by the fillet of screw and housing,More easily it can be dismantled or spiral connects,It unpicks and washes more convenient,It is time saving and energy saving,Aperture tapers into striker from top to bottom,The speed for increasing stickum injection of this reasonable design,Improve the ejection efficiency of stickum,The positioning strip installed outside striker,Prevent striker that double swerve phenomenon occurs during moving up and down well,Improve the precision of injection.
Description
Technical field
The utility model is related to field of mechanical technique, specially a kind of precise injection valve.
Background technology
Now, various industrial products are suitable to the application for carrying out glued component in encapsulation procedure using precise injection valve
Generally, in electronics, medical treatment, automobile and other industries, injection valve is used for contactless by a small amount of or droplet high viscosity substance
It is assigned on substrate or workpiece, the high viscosity substance includes solder flux, soldering paste, adhesive, oil, sealed polymer, silicone etc., leads to
Normal this substance will not flow under its own gravity at room temperature, and when hitting nozzle up and down every time left and right easily occurs for striker
Offset, accuracy of spray is poor, and is easily damaged, and after injection valve use, needs that it is cleared up to ensure the cleaning in cavity,
Working efficiency is improved, but conventional spray valve arrangement is complex, needs to waste a large amount of manpower and materials in cleaning process, it is time-consuming
Arduously, existing injection valve uses fixed aperture, and jet velocity is slower when aperture is larger, when aperture is smaller, high viscosity object
Matter is not easily accessible feed end, and jeting effect is poor.
So how to design a kind of precise injection valve, becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of precise injection valve, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides following technical solution：A kind of precise injection valve, including housing and lock
Collar, the top of the housing are equipped with adjusting nut, and the adjusting nut is flexibly connected with housing by the screw thread of the fillet of screw,
The outside of the fillet of screw is equipped with calibration loop, and the calibration loop is screwed on the fillet of screw by screw thread, the surface of the housing
Gas outlet is offered, the side of the housing is equipped with inlet valve, and the inlet valve is clamped with housing by support, and described
Support and case weld, the bottom end of the housing are equipped with clamp ring, and the clamp ring is fixedly connected with the casing, the lock
The surface of collar offers air inlet, and the bottom end of the clamp ring is provided with nozzle, and the nozzle passes through screw thread with clamp ring
It is screwed on, the inside of the clamp ring offers the second cavity, and the inside of the housing offers the first cavity.
Further, the side of second cavity is equipped with positioning strip, and the positioning strip and the second cavity welding, institute
The top for stating positioning strip is provided with sealing ring, and the sealing ring is closely connect with positioning strip.
Further, the inside of the positioning strip is equipped with striker, and the top of the striker is blocked with spring by squeezing
It connects, the top of the striker is hemispherical dome structure, and the aperture of the striker is gradually reduced from top to bottom.
Further, the bottom end of the striker, which is equipped with, hits seat, and the bottom end of the U-lag and striker for hitting seat top
Cooperation clamping.
Further, the top of the spring is provided with glass marble, and the glass marble with spring by being press-connected, and
The glass marble and the semi-spherical grooves cooperation of buffer stopper bottom end are clamped.
Further, the bottom end of the nozzle offers several spray orifices, and random arrangement between the spray orifice.
Compared with prior art, the beneficial effects of the utility model are：This kind of precise injection valve, simple in structure, design is closed
Reason, is very suitable for for spraying stickum, adjusting nut is screwed on by the fillet of screw and housing, and more easily it can be carried out
Dismounting or spiral connection, unpick and wash more convenient, time saving and energy saving, aperture tapers into striker from top to bottom, this reasonable design
The speed of stickum injection is increased, improves the ejection efficiency of stickum, the positioning strip installed outside striker, very well
Prevent striker that double swerve phenomenon occurs during moving up and down, improve the precision of injection, and hit the table of seat
Face is coated with chromium plating protective layer, improves the hardness for hitting seat, prevents occurring damaged situation in knockout process, sealing ring plays
Effective sealing function avoids stickum from flowing into gap, avoids the waste of stickum, while can guarantee inside again
Cleaning, by between spring and buffer stopper with glass marble be press-connected together, formed an entirety, it is easy for installation, together
When cause spring and being consistent property of buffer stopper, improve the performance of buffering, it is several random by being opened up in the bottom end of nozzle
The spray orifice of arrangement, increases emitted dose, increases spray regime, and uniformity is good, while can improve working efficiency again.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the part-structure sectional view of the utility model；
Fig. 3 is the nozzle vertical view of the utility model；
In figure：1- housings；2- clamp rings；3- nozzles；4- air inlets；5- gas outlets；The 6- fillets of screw；7- calibration loops；8- tune
Save nut；9- inlet valves；10- supports；11- glass marbles；12- springs；13- strikers；14- positioning strips；15- hits seat；16- delays
Rush block；The first cavitys of 17-；18- sealing rings；The second cavitys of 19-；20- spray orifices.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of precise injection valve, including housing 1 and locking
Circle 2, the top of the housing 1 are equipped with adjusting nut 8, and the screw thread activity that the adjusting nut 8 passes through the fillet of screw 6 with housing 1
Connection, the outside of the fillet of screw 6 are equipped with calibration loop 7, and the calibration loop 7 is screwed on the fillet of screw 6 by screw thread, the shell
The surface of body 1 offers gas outlet 5, and the side of the housing 1 is equipped with inlet valve 9, and the inlet valve 9 passes through branch with housing 1
It holds frame 10 to be clamped, and the support 10 is welded with housing 1, the bottom end of the housing 1 is equipped with clamp ring 2, and the locking
Circle 2 is fixedly connected with housing 1, and the surface of the clamp ring 2 offers air inlet 4, and the bottom end of the clamp ring 2 is provided with nozzle
3, and the nozzle 3 is screwed on clamp ring 2 by screw thread, the inside of the clamp ring 2 offers the second cavity 19, the housing
1 inside offers the first cavity 17.
Further, the side of second cavity 19 is equipped with positioning strip 14, and 14 and second cavity of the positioning strip
19 welding, the top of the positioning strip 14 are provided with sealing ring 18, and the sealing ring 18 is closely connect with positioning strip 14, convenient
Disassembly, cleaning.
Further, the inside of the positioning strip 14 is equipped with striker 13, and the top of the striker 13 and spring 12 are logical
Extruding clamping is crossed, the top of the striker 13 is hemispherical dome structure, and the aperture of the striker 13 is gradually reduced from top to bottom, is increased
The big speed of injection, improves work efficiency.
Further, the bottom end of the striker 13, which is equipped with, hits seat 15, and the U-lag and striker for hitting 15 top of seat
13 bottom end cooperation clamping, increases explosive force when hitting, jeting effect is good, jet quality higher.
Further, the top of the spring 12 is provided with glass marble 11, and the glass marble 11 passes through with spring 12 and squeezes
Pressure connection, and the glass marble 11 and the semi-spherical grooves cooperation of 16 bottom end of buffer stopper are clamped, and are played buffering, are prolonged the service life
Effect.
Further, the bottom end of the nozzle 3 offers several spray orifices 20, and random arrangement between the spray orifice 20,
Increase spray regime, improve ejection efficiency.
Operation principle：First, it is fed by the inlet valve 9 on support 10, rotation lock collar 2 is locked, clamp ring 2
The air inlet 4 on surface enters air, and 5 outlet of gas outlet on 1 surface of housing can remove the heat generated in knockout process, leads to
Cross and compare calibration loop 7 rotating adjusting nut 8 and adjust the movement travel of striker 13, be finally reached control injection valve jet velocity and
The purpose of emitted dose, striker 13 spray stickum, 13 outer wall of striker patch by several spray orifices 20 of random arrangement on nozzle 3
Tight positioning strip 14 limits striker 13, prevents striker 13 from shaking during the motion, improves the precision of injection, close
Seal 18 plays good sealing function, prevents stickum from flowing into gap, and spring 12 and buffer stopper 16 effectively buffer
The effect of impact back and forth of striker 13 extends its service life used, and after spraying work, adjusting nut is removed by screw thread rotation
8, which is cleaned, facilitates next use.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of precise injection valve, including housing (1) and clamp ring (2), it is characterised in that：The top of the housing (1) is equipped with
Adjusting nut (8), and the adjusting nut (8) is flexibly connected with housing (1) by the screw thread of the fillet of screw (6), the fillet of screw
(6) outside is equipped with calibration loop (7), and the calibration loop (7) is screwed on the fillet of screw (6) by screw thread, the housing (1)
Surface offers gas outlet (5), and the side of the housing (1) is equipped with inlet valve (9), and the inlet valve (9) and housing (1) are logical
Support (10) clamping is crossed, and the support (10) is welded with housing (1), the bottom end of the housing (1) is equipped with clamp ring
(2), and the clamp ring (2) is fixedly connected with housing (1), and the surface of the clamp ring (2) offers air inlet (4), described
The bottom end of clamp ring (2) is provided with nozzle (3), and the nozzle (3) is screwed on clamp ring (2) by screw thread, the clamp ring
(2) inside offers the second cavity (19), and the inside of the housing (1) offers the first cavity (17).
2. a kind of precise injection valve according to claim 1, it is characterised in that：The side installation of second cavity (19)
There is a positioning strip (14), and the positioning strip (14) is welded with the second cavity (19), the top of the positioning strip (14) is provided with close
Seal (18), and the sealing ring (18) is closely connect with positioning strip (14).
3. a kind of precise injection valve according to claim 2, it is characterised in that：The inside of the positioning strip (14) is equipped with
Striker (13), and the top of the striker (13) is clamped with spring (12) by squeezing, the top of the striker (13) is hemisphere
Shape structure, and the aperture of the striker (13) is gradually reduced from top to bottom.
4. a kind of precise injection valve according to claim 3, it is characterised in that：The bottom end of the striker (13), which is equipped with, hits
Seat (15), and the bottom end cooperation of the U-lag for hitting seat (15) top and striker (13) is clamped.
5. a kind of precise injection valve according to claim 3, it is characterised in that：The top of the spring (12) is provided with glass
Glass ball (11), and the glass marble (11) with spring (12) by being press-connected, and the glass marble (11) and buffer stopper (16)
The semi-spherical grooves cooperation clamping of bottom end.
6. a kind of precise injection valve according to claim 1, it is characterised in that：The nozzle (3) if bottom end offer
Dry spray orifice (20), and random arrangement between the spray orifice (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721217574.XU CN207546883U (en) | 2017-09-21 | 2017-09-21 | A kind of precise injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721217574.XU CN207546883U (en) | 2017-09-21 | 2017-09-21 | A kind of precise injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207546883U true CN207546883U (en) | 2018-06-29 |
Family
ID=62676448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721217574.XU Expired - Fee Related CN207546883U (en) | 2017-09-21 | 2017-09-21 | A kind of precise injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207546883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604106A (en) * | 2018-10-15 | 2019-04-12 | 北京派和科技股份有限公司 | Straight line micro-displacement for dispensing injection valve adjusts locking mechanism |
-
2017
- 2017-09-21 CN CN201721217574.XU patent/CN207546883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604106A (en) * | 2018-10-15 | 2019-04-12 | 北京派和科技股份有限公司 | Straight line micro-displacement for dispensing injection valve adjusts locking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20200921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |